As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lbț/in²and is compressed to 160°F, 200O Ib/in?. The refrigerant exiting the compressor enters a condenser where energy transfer to air as aseparate stream occurs, and the refrigerant exits as a liquid at 200 Ib;/in?, 90°F. Air enters the condenser at 80°F, 14.7 Ib:/in? with avolumetric flow rate of 750 ft/min and exits at 110°F. Neglect stray heat transfer and kinetic and potential energy effects, and assumeideal gas behavior for the air.CondenserAir at T P4=14.7 lbfin?(AV),TI;=10°Fp2 = p3 = 200 Ib/in²T2= 60°FT= 160 F|P2=200 lb£in_²T3-90°FP3 =200 bf/in ²2= 90°Fpi = 80 Ibrin?Compressor= 40°F1+ R22 atI=40°FP1-80 Ibfin ?Determine the mass flow rate of refrigerant, in Ib/min, and the compressor power, in horsepower.

Given : P1= 80 lbf/in2 P2=P3=200 lbf/in2

As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lbę/in² and is compressed to 160°F, 200 Ibf/in?. The refrigerant exiting the compressor enters a condenser where energy transfer to air as a separate stream occurs, and the refrigerant exits as a liquid at 200 lbĘ/in?, 90°F. Air enters the condenser at 80°F, 14.7 IbĘ/in? with a volumetric flow rate of 750 ft/min and exits at 110°F. Neglect stray heat transfer and kinetic and potential energy effects, and assume ideal gas behavior for the air. Condenser Air at T P4=14.7 1bfin? (AV), 4 wwww wwww I;=10°F p2 = p3 = 200 b/in? T2 = 60°F Tz= 160°F P2=200 lb£in ² T3-90°F P3 =200 lbfin² = 90°F pi = 80 Ibrin? Compressor = 40°F 1+ R22 at

As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lbę/in² and is compressed to 160°F, 200 Ibf/in?. The refrigerant exiting the compressor enters a condenser where energy transfer to air as a separate stream occurs, and the refrigerant exits as a liquid at 200 lbĘ/in?, 90°F. Air enters the condenser at 80°F, 14.7 IbĘ/in? with a volumetric flow rate of 750 ft/min and exits at 110°F. Neglect stray heat transfer and kinetic and potential energy effects, and assume ideal gas behavior for the air. Condenser Air at T P4=14.7 1bfin? (AV), 4 wwww wwww I;=10°F p2 = p3 = 200 b/in? T2 = 60°F Tz= 160°F P2=200 lb£in ² T3-90°F P3 =200 lbfin² = 90°F pi = 80 Ibrin? Compressor = 40°F 1+ R22 at

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lbț/in²
and is compressed to 160°F, 200O Ib/in?. The refrigerant exiting the compressor enters a condenser where energy transfer to air as a
separate stream occurs, and the refrigerant exits as a liquid at 200 Ib;/in?, 90°F. Air enters the condenser at 80°F, 14.7 Ib:/in? with a
volumetric flow rate of 750 ft/min and exits at 110°F. Neglect stray heat transfer and kinetic and potential energy effects, and assume
ideal gas behavior for the air.
Condenser
Air at T P4=14.7 lbfin?
(AV),
T
I;=10°F
p2 = p3 = 200 Ib/in²
T2
= 60°F
T= 160 F
|P2=200 lb£in_²
T3-90°F
P3 =200 bf/in ²2
= 90°F
pi = 80 Ibrin?
Compressor
= 40°F
1+ R22 at
I=40°F
P1-80 Ibfin ?
Determine the mass flow rate of refrigerant, in Ib/min, and the compressor power, in horsepower.

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